• Thumbnail for Homotopy principle
    In mathematics, the homotopy principle (or h-principle) is a very general way to solve partial differential equations (PDEs), and more generally partial...
    11 KB (1,726 words) - 11:32, 22 April 2025
  • of topology, a regular homotopy refers to a special kind of homotopy between immersions of one manifold in another. The homotopy must be a 1-parameter...
    5 KB (829 words) - 05:00, 27 March 2025
  • Thumbnail for Homotopy groups of spheres
    In the mathematical field of algebraic topology, the homotopy groups of spheres describe how spheres of various dimensions can wrap around each other....
    83 KB (8,124 words) - 04:10, 28 March 2025
  • Thumbnail for Homotopy type theory
    In mathematical logic and computer science, homotopy type theory (HoTT) refers to various lines of development of intuitionistic type theory, based on...
    39 KB (4,643 words) - 08:24, 29 March 2025
  • Homotopical connectivity (category Homotopy theory)
    {\displaystyle X(M)\to X(N),} are n-connected are said to satisfy a homotopy principle or "h-principle". There are a number of powerful general techniques for proving...
    19 KB (3,210 words) - 02:01, 18 April 2025
  • Thumbnail for Immersion (mathematics)
    that this reduces to homotopy theory, and the homotopy principle gives general conditions and reasons for PDRs to reduce to homotopy theory. Immersed submanifold...
    23 KB (2,874 words) - 09:43, 3 September 2024
  • Thumbnail for Stephen Smale
    895842. S2CID 206590734.* 5-manifold Axiom A Geometric mechanics Homotopy principle Mean value problem Smale, Steve (1985). "On the Efficiency of Algorithms...
    23 KB (2,186 words) - 23:32, 13 April 2025
  • Thumbnail for Linking number
    to always be immersions or not), which is an example of an h-principle (homotopy-principle), meaning that geometry reduces to topology. This fact (that...
    16 KB (2,527 words) - 08:36, 5 March 2025
  • This can then be used to prove the commutativity of the higher homotopy groups. The principle is named after Beno Eckmann and Peter Hilton, who used it in...
    9 KB (1,415 words) - 16:43, 2 April 2025
  • Thumbnail for Mikhael Gromov (mathematician)
    Forstnerič, Franc (2017). Stein manifolds and holomorphic mappings. The homotopy principle in complex analysis. Ergebnisse der Mathematik und ihrer Grenzgebiete...
    48 KB (3,749 words) - 20:10, 7 May 2025
  • Thumbnail for List of Russian mathematicians
    Gromov, a prominent developer of geometric group theory, inventor of homotopy principle, introduced Gromov's compactness theorem, Gromov norm, Gromov product...
    18 KB (1,744 words) - 06:21, 5 May 2025
  • Gromov, a prominent developer of geometric group theory, inventor of homotopy principle, introduced Gromov's compactness theorems, Gromov norm, Gromov product...
    95 KB (9,622 words) - 21:08, 30 April 2025
  • algebraic topology, the homotopy limit and colimitpg 52 are variants of the notions of limit and colimit extended to the homotopy category Ho ( Top ) {\displaystyle...
    13 KB (1,841 words) - 23:58, 6 March 2025
  • computational method used in numerical algebraic geometry is homotopy continuation, in which a homotopy is formed between two polynomial systems, and the isolated...
    11 KB (1,306 words) - 20:07, 17 December 2024
  • equivalence of categories Weak equivalence (homotopy theory) Weak equivalence (formal languages) Weak equivalence principle This disambiguation page lists mathematics...
    428 bytes (54 words) - 02:43, 27 May 2024
  • Thumbnail for Yakov Eliashberg
    and contact structures. Eliashberg worked on various aspects of the h-principle, introduced by Mikhail Gromov, and he wrote in 2002 an introductory book...
    18 KB (1,610 words) - 03:05, 19 March 2025
  • Homology is a topological invariant, and moreover a homotopy invariant: Two topological spaces that are homotopy equivalent have isomorphic homology groups. It...
    29 KB (3,461 words) - 21:33, 8 April 2025
  • Thumbnail for Sphere eversion
    the first time. See h-principle for further generalizations. Smale's original proof was indirect: he identified (regular homotopy) classes of immersions...
    12 KB (1,127 words) - 18:11, 2 April 2025
  • Thumbnail for List of Russian people
    Gromov, a prominent developer of geometric group theory, inventor of homotopy principle, introduced Gromov's compactness theorems in geometry and topology...
    204 KB (22,856 words) - 10:24, 1 May 2025
  • Thumbnail for Morris Hirsch
    theorem Chern's conjecture (affine geometry) Differential structure Homotopy principle Immersion (mathematics) Whitney embedding theorem The Cr section theorem...
    4 KB (322 words) - 20:26, 10 February 2025
  • Thumbnail for Set theory
    univalent foundations and related to it homotopy type theory. Within homotopy type theory, a set may be regarded as a homotopy 0-type, with universal properties...
    54 KB (6,575 words) - 12:01, 1 May 2025
  • Indistinguishable particles (category Pauli exclusion principle)
    where d ≥ 3, then this homotopy class only has one element. If M is ⁠ R 2 {\displaystyle \mathbb {R} ^{2}} ⁠, then this homotopy class has countably many...
    33 KB (5,512 words) - 19:26, 27 December 2024
  • theorem, addresses Bott periodicity: a modulo-8 recurrence relation in the homotopy groups of classical groups Periodic function, a function whose output contains...
    1 KB (146 words) - 19:50, 9 July 2023
  • Thumbnail for Winding number
    circle. The set of homotopy classes of maps from a circle to a topological space form a group, which is called the first homotopy group or fundamental...
    16 KB (2,292 words) - 13:53, 6 May 2025
  • Kirszenblat and J. Hyam Rubinstein. A proof characterizing Dubins paths in homotopy classes has been given by J. Ayala. The Dubins path is commonly used in...
    8 KB (1,006 words) - 03:34, 19 December 2024
  • Line bundle (category Homotopy theory)
    invertible complex matrices, which have the homotopy type of a circle. From the perspective of homotopy theory, a real line bundle therefore behaves...
    12 KB (1,885 words) - 21:10, 3 April 2025
  • the extension of order-theoretic duality to Boolean algebras S-duality (homotopy theory) List of dualities § Mathematics Dualistic cosmology, a twofold...
    3 KB (387 words) - 04:41, 14 March 2024
  • for homotopy groups of spheres. Computational methods for solving systems of polynomial equations. Brown has an algorithm to compute the homotopy groups...
    14 KB (1,567 words) - 18:51, 21 February 2025
  • some weakly contractible space, e.g., a topological space with vanishing homotopy groups. The classifying space has the property that any G principal bundle...
    20 KB (3,361 words) - 22:19, 13 March 2025
  • is an active area of research, one direction being the development of homotopy type theory. The first computer proof assistant, called Automath, used...
    61 KB (8,234 words) - 00:20, 10 May 2025